Malicious PDF — malware analysis report

Static analysis result for SHA-256 014bf5944cb7e809…

MALICIOUS

PDF

186.0 KB Created: 2015-07-23 23:23:36 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 26547fee709d3207f82f2b4e849b8187 SHA-1: d7781cf98310ffa3852d5ee3513decf78ad75bd7 SHA-256: 014bf5944cb7e80995dd6d2e3949616f633e267ebd9e52ad892c2510fac0069d
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF document was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL 'http://botcraftman.ru/...' is confirmed as a malicious redirector, indicating the document's purpose is likely to lead the user to a harmful site. No scripts were extracted, but the presence of the malicious link is sufficient evidence of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://botcraftman.ru/?lip&keyword=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B3%D0%BB%D1%83%D1%85%D0%B0%D1%80%D1%8C+1+%D1%81%D0%B5%D0%B7%D0%BE%D0%BD+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184597_dzhonatan_herring_iskusstvo_polemiki_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185157_arabskiy_yazuykovoy_paket_windows_xp.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185177_skachat_chituy_na_igru_contract_wars_online_3d.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000243f8.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x243F8 3556 bytes
font_01_sfnt_off0002517b.bin
31c67797024f05106d70a987279d26e7a3886765cc2f799775ff7868fb7d960b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2517B 14880 bytes
font_02_sfnt_off0002804a.bin
a6626c0bd3595dc776735a93968cf26fa9368d0e017313712711ccf7ec06347e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2804A 14532 bytes
font_03_sfnt_off0002ab3a.bin
df765fb3211557e0af73d528e5ae9a45b86e1816dbd2ab3b8b5091bd075ce4a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB3A 6576 bytes
font_04_sfnt_off0002be2d.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE2D 6084 bytes
font_05_sfnt_off0002cdc2.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CDC2 3752 bytes

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